Xenohormones are a group of either naturally occurring or artificially created compounds showing hormone-like properties. A type of endocrine disruptor

Endocrine disruptor

Endocrine disruptors are chemicals that interfere with endocrine in animals, including humans. These disruptions can cause cancerous tumors, birth defects, and other developmental disorders...

, the most commonly occurring xenohormones are xenoestrogen

Xenoestrogen

Xenoestrogens are a type of xenohormone that imitates estrogen. They are widely used industrial compounds such as PCB, BPA and Phthalates, that have estrogenic effects on a living organism even though they differ chemically from the naturally occurring estrogenic substances internally produced by...

s, compounds that share the same chemical properties as estrogen

Estrogen

Estrogens , oestrogens , or œstrogens, are a group of compounds named for their importance in the estrous cycle of humans and other animals. They are the primary female sex hormones. Natural estrogens are steroid hormones, while some synthetic ones are non-steroidal...

. Other artificially created subgroup of xenohormones are xenoandrogens

Xenoandrogens

Xenoandrogens are a group of artificially created compounds with properties similar to human steroid hormone testosterone and its derivatives. Xenoandrogens currently known include modified tocopherols and tocotrienols, modified nicotinamides as well as toxic tributyltin and triphenyltin.-Discovery...

, basically modified tocopherols/tocotrienols. The term is derived from the Greek

Greek language

Greek is an independent branch of the Indo-European family of languages. Native to the southern Balkans, it has the longest documented history of any Indo-European language, spanning 34 centuries of written records. Its writing system has been the Greek alphabet for the majority of its history;...

words ξένος (xenos), meaning "stranger